The initial ruleset was designed by Peter Suber, but first published in Douglas Hofstadter's column Metamagical Themas in Scientific American in June 1982.
Arimaa
Arimaa /əˈriːmə/ (ə-REE-mə) is a two-player strategy board game that was designed to be playable with a standard chess set and difficult for computers while still being easy to learn and fun to play for humans.
The Game (mind game)
The Game is a mental game where the objective is to avoid thinking about The Game itself.
Mind sport
A mind sport is a game of skill where the mental exercise component is more significant than the physical.
Mental calculation
Mental calculation comprises arithmetical calculations using only the human brain, with no help from calculators, computers, or pen and paper.
Brain Chain
Brain Chain is a strategy-driven trivia board game played by two or three players or teams.
Blockade (board game)
Blockade is a "the Beat the Barrier" board game for two players, invented by Mirko Marchesi and published by Lakeside Industries in 1975.
Bookchase
Bookchase is a board game published by Art Meets Matter.
Mastermind (board game)
Mastermind or Master Mind is a code-breaking game for two players.
Zendo (game)
Zendo is a game of inductive logic designed by Kory Heath in which one player (the "Master") creates a rule for structures ("koans") to follow, and the other players (the "Students") try to discover it by building and studying various koans which follow or break the rule.
Evo (board game)
Evo: The Last Gasp of the Dinosaurs is a German-style board game for three to five players, designed by Philippe Keyaerts and published by Eurogames.